Lowest Emissions Cruise Ships (2026)

Cruise ships ranked by carbon efficiency — based on verified EU THETIS-MRV emissions reporting data.

All Ships Greenest Ships Most Polluting Best Emissions Best FOE Grades
# Ship Cruise Line Green Score Emissions (40%) ▼ FOE (35%) Compliance (25%)
1 Adventure of the Seas Royal Caribbean 64 N/A N/A N/A
2 Allure of the Seas Royal Caribbean 64 N/A N/A N/A
3 Anthem of the Seas Royal Caribbean 64 N/A N/A N/A
4 Carnival Breeze Carnival 60 N/A N/A N/A
5 Carnival Celebration Carnival 71 N/A N/A N/A
6 Carnival Conquest Carnival 60 N/A N/A N/A
7 Carnival Dream Carnival 68 N/A N/A N/A
8 Carnival Elation Carnival 60 N/A N/A N/A
9 Carnival Freedom Carnival 61 N/A N/A N/A
10 Carnival Glory Carnival 60 N/A N/A N/A
11 Carnival Horizon Carnival 61 N/A N/A N/A
12 Carnival Jubilee Carnival 71 N/A N/A N/A
13 Carnival Legend Carnival 63 N/A N/A N/A
14 Carnival Liberty Carnival 60 N/A N/A N/A
15 Carnival Luminosa Carnival 63 N/A N/A N/A
16 Carnival Magic Carnival 61 N/A N/A N/A
17 Carnival Miracle Carnival 71 N/A N/A N/A
18 Carnival Panorama Carnival 71 N/A N/A N/A
19 Carnival Paradise Carnival 60 N/A N/A N/A
20 Carnival Pride Carnival 60 N/A N/A N/A
21 Carnival Radiance Carnival 63 N/A N/A N/A
22 Carnival Spirit Carnival 71 N/A N/A N/A
23 Carnival Sunrise Carnival 53 N/A N/A N/A
24 Carnival Sunshine Carnival 53 N/A N/A N/A
25 Carnival Valor Carnival 53 N/A N/A N/A
26 Carnival Venezia Carnival 61 N/A N/A N/A
27 Carnival Vista Oceania 61 N/A N/A N/A
28 Celebrity Beyond Celebrity 74 N/A N/A N/A
29 Celebrity Edge Celebrity 64 N/A N/A N/A
30 Disney Dream Disney 90 N/A N/A N/A
31 Disney Fantasy Disney 88 N/A N/A N/A
32 Disney Wish Disney 73 N/A N/A N/A
33 Explorer of the Seas Royal Caribbean 64 N/A N/A N/A
34 Freedom of the Seas Royal Caribbean 74 N/A N/A N/A
35 Harmony of the Seas Royal Caribbean 64 N/A N/A N/A
36 Icon of the Seas Royal Caribbean 74 N/A N/A N/A
37 Independence of the Seas Royal Caribbean 64 N/A N/A N/A
38 Liberty of the Seas Royal Caribbean 64 N/A N/A N/A
39 Mariner of the Seas Royal Caribbean 71 N/A N/A N/A
40 MSC Meraviglia MSC 77 N/A N/A N/A
41 Navigator of the Seas Royal Caribbean 64 N/A N/A N/A
42 Norwegian Bliss Norwegian 77 N/A N/A N/A
43 Norwegian Breakaway Norwegian 68 N/A N/A N/A
44 Norwegian Encore Norwegian 77 N/A N/A N/A
45 Norwegian Epic Norwegian 77 N/A N/A N/A
46 Norwegian Escape Norwegian 77 N/A N/A N/A
47 Norwegian Gem Norwegian 68 N/A N/A N/A
48 Norwegian Getaway Norwegian 68 N/A N/A N/A
49 Norwegian Joy Norwegian 77 N/A N/A N/A
50 Norwegian Prima Norwegian 77 N/A N/A N/A
51 Norwegian Viva Norwegian 77 N/A N/A N/A
52 Oasis of the Seas Royal Caribbean 64 N/A N/A N/A
53 Odyssey of the Seas Royal Caribbean 71 N/A N/A N/A
54 Ovation of the Seas Royal Caribbean 64 N/A N/A N/A
55 Quantum of the Seas Royal Caribbean 74 N/A N/A N/A
56 Serenade of the Seas Royal Caribbean 75 N/A N/A N/A
57 Spectrum of the Seas Royal Caribbean 64 N/A N/A N/A
58 Symphony of the Seas Royal Caribbean 64 N/A N/A N/A
59 Utopia of the Seas Royal Caribbean 73 N/A N/A N/A
60 Wonder of the Seas Royal Caribbean 74 N/A N/A N/A

Showing 60 ships

Green Scores are calculated from EU THETIS-MRV emissions data (40%), Friends of the Earth grades (35%), and federal compliance records (25%).

View Individual Ship Environmental Profiles →